[llvm] [VectorCombine] Generalize foldBitOpOfBitcasts to support more cast operations (PR #148350)

[Simon Pilgrim via llvm-commits]

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@@ -0,0 +1,263 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- | FileCheck %s
+
+; Test bitwise operations with bitcast
+define <4 x i32> @and_bitcast_v4f32_to_v4i32(<4 x float> %a, <4 x float> %b) {
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RKSimon wrote:

These are just negative tests as they bitcast from fp - keep one as a negative test but use other int types for the standard tests.

https://github.com/llvm/llvm-project/pull/148350